table,
th,
td {
    border-collapse: collapse;
    border: 1px solid black;
}

#tbl {
    width: 90%;
    margin: auto;
    text-align: center;
}

#containner {
    width: 90%;
    position: relative;
    margin: auto;
}

#containner form {
    border: 1px solid red;
    border-radius: 10px;
    padding: 30px;
    width: 35%;
    margin-top: 40px;
}

#title {
    background-color: black;
    color: white;
    width: 100px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    font-weight: bold;

    position: absolute;
    top: -15px;
    left: 10px;
}

#tips{
    background-color: yellow;
    color: red;
    width: 200px;
    padding: 10px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    font-weight: bold;
    position: absolute;
    top: 0;
    left: 50%;
}

#btnUpdate{
    display: none;
}